Pages 80-81 Vocab 15

Question 1

Vertebrate

Answer 1

An animal with a vertebrae

Question 2

Vertebrae

Answer 2

A bone in the spine

Question 3

Endotherm

Answer 3

a warm-blooded animal.

Question 4

Ecotherm

Answer 4

a cold-blooded animal.

Question 5

Fins

Answer 5

The flippers on the front of the fish

Question 6

Scales

Answer 6

The skin covering fish and lizards

Question 7

Lateral line symmetry

Answer 7

a system of sense organs found in aquatic vertebrates, used to detect movement, vibration, and pressure gradients in the surrounding water.

Question 8

Gills

Answer 8

Fish use gills to filter air and breath water

Question 9

Denticles

Answer 9

a small tooth or toothlike projection.

Question 10

Swim bladder

Answer 10

a gas-filled sac present in the body of many bony fishes, used to maintain and control buoyancy.

Question 11

Lung

Answer 11

A organ that fills itself with air and makes you breath

Question 12

Tadpole

Answer 12

Baby frog

Question 13

Metamorphosis

Answer 13

The process of changing and morphing into something new

Question 14

Therapsids

Answer 14

an extinct reptile of a Permian and Triassic order, the members of which are related to the ancestors of mammals.

Question 15

Amniotic egg

Answer 15

The type of egg produced by reptiles, birds, and prototherian (egg-laying) mammals